1632945 has 8 divisors (see below), whose sum is σ = 2612736. Its totient is φ = 870896.

The previous prime is 1632941. The next prime is 1632949. The reversal of 1632945 is 5492361.

It is an interprime number because it is at equal distance from previous prime (1632941) and next prime (1632949).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1632945 - 2² = 1632941 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1632941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54417 + ... + 54446.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

2^1632945 is an apocalyptic number.

1632945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1632945 is a deficient number, since it is larger than the sum of its proper divisors (979791).

1632945 is a wasteful number, since it uses less digits than its factorization.

1632945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108871.

The product of its digits is 6480, while the sum is 30.

The square root of 1632945 is about 1277.8673640093. The cubic root of 1632945 is about 117.7580265984.

The spelling of 1632945 in words is "one million, six hundred thirty-two thousand, nine hundred forty-five".